{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "We also found a highly significant correlation ( P : < 0 . 0001 , r = 0 . 8 ) between the volume of the ventral lesion in the GPi and the improvement in LID in the contralateral limbs , whereas there was no correlation between the ventral volume and the improvement in parkinsonian ' off ' signs ."}
{"Chemical": [], "Disease": ["LID", "parkinsonian"]}